The most popular option is the E27 base. Since the days of Edison, this size is widely used in many lighting fixtures. LED light bulb E27 base is one of the most purchased options. This cap is widely used in lamps, table lamps, lamps, floor lamps and other appliances. Perhaps there is no house where there was not at least one lighting device with such a cap. Before it is actively used in combination with a conventional incandescent lamp, but today, users are increasingly leaning your choice in favor of led lights. This is due to their efficiency, durability and environmental friendliness.